f0='x.^3.*(1-x).^3',s0=.003^2;
f1='(12.^(3-x./9)).^7.*cos(7-x.*8)',s1=5*10^43;
f2='cos(9.*x-7)-11-abs(3+x.^12)./6+abs(8.^x./8)',s2=.2;
f3='12.*sin(11.*x+5)./2./cot(6-x+1)',s3=.2;
f4='2.*sin(4-x./6)+5+cos(20.*x)',s4=.3;
f5='2-abs(4-x.*5)-9.*log(3.^x./12)',s5=.2;
f6='11-tan(5+x.^6)./3.*sin(12.*x)',s6=.1;
f7='7+cot(5-x.^13)-12+log(11-x.*10)',s7=.05;
f8='8.*tan(1.*x.^8)-11./cos(9+x-7)',s8=1;
f9='12-log(9.^x.*2).*10.*abs(7.^x-5)',s9=8;
f10='5.*abs(10.^x-10)-12-6*sin(2.*x.*12)',s10=5;
f11='2-3*(x-.5)+3*exp(-(x-1).^2/.01)',s11=.05;
f12='6-sin(18.*x+9)./6-sin(11-x.*6)',s12=.1;
f13='sin(4*pi*x)./((1+cos(.6*pi*x)).^2)',s13=.1;
f14='sin(pi*x).*cos(3*pi*x.^5)',s14=.05;
f15='(x-.65).^2',s15=0.001;
f20='sin(2*pi*x)',s20=.2;
f21='cos(6*pi*x)',s21=.1;

f16='10^4*(x.^8-3.539*x.^7+4.8345*x.^6-3.175*x.^5+1.0038*x.^4-0.12535*x.^3+0.0011431*x.^2)',s16=.3;
f17='x.^9-4.8521*x.^8+9.6696*x.^7-10.1127*x.^6+5.842*x.^5-1.7635*x.^4+0.2167*x.^3',s17=0.3*1E-9;
f18='x.^1',s18=0.05;